Contractions. - Plumb-a. Pb-a.

Present name. - Normal Plumbic Acetate. Pb,2C2H3O2, 3H1O.

The Sugar of Lead of commerce purified by solution in distilled water and re-crystallization.

Characters and Tests. - In white crystalline masses, slightly efflorescent, having an acetous odour and a sweet astringent taste. Its Solution in water slightly reddens litmus, gives a yellow precipitate with Iodide of Potassium, and is precipitated white by Sulphuric Acid, Acetic Acid being set free. Its solution in distilled water is clear, or has only a slight milkiness, which disappears on the addition of Acetic Acid. 38 grains dissolved in water require for complete precipitation 200 grain measures of the volumetric solution of Oxalic Acid.

Preparations. - Trituration. Solution in distilled water for lx, using dilute alcohol for 1, and rectified spirit for all above.

N.B. - These preparations should be freshly prepared.

Reference to Horn. Proving. - Noack and Trinks.

Proper forms for dispensing. - lx to 3, Trituration. 1x and 1 Solution, 3x and upwards, Tincture, Pilules, or Globules.